Water Quality in Houston, TX (77257)

EPA violation data for public water systems serving ZIP code 77257.

No Health-Based Violations

None of the 7 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 43% of US ZIP codes.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

7

Water Systems

3

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (7)

The Church In Houston

Groundwater 560 people served
0 violations

Mercado-Sabadomingo

Groundwater 500 people served
0 violations

Corner Market

All resolved
Groundwater 254 people served
3 violations (5yr) · All resolved

Oakland Lake

Groundwater 150 people served
0 violations

Cole Creek Woods Subdivision

Groundwater 72 people served
0 violations

Meadows Of Koeblen

Groundwater 66 people served
0 violations

Red Hills

Groundwater 66 people served
0 violations

Contaminants Found

Public NoticeMonitoring
1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved

How Does This Compare?

Houston (77257) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, most of which are monitoring/reporting issues.

Fewer violations 43th percentile More violations

Water Filter Recommendations

No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.

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